A new iconv(1) page by Marko Myllynen documents the iconv command provided by glibc.

A new iconvconfig(8) page by Marko Myllynen documents the iconvconfig command provided by glibc.

Jeff Layton has added documentation in the fcntl(2) man page of the new "open file description locks" that was added in Linux 3.15. (In addition, I've made a number of other updates in this page, mainly to do with file locking commands.)

Peng Haitao continues adding information about thread safety in various manual pages, and has been joined in this task by Qian Lei.

The course has a lecture+lab format, and
devotes substantial time to working on some carefully chosen programming
exercises that put the "theory" into practice. Students receive a copy
of TLPI, along with a 600-page course book containing the more than 1000
slides that are used in the course. A reading knowledge of C is
assumed; no previous system programming experience is needed.